<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/login">
        <h3>用户名</h3>
        <input type="text" name="userName">
        <h3>密码</h3>
        <input type="password" name="password">
        <input type="submit">
    </form>
</body>
</html>